Brian,

I'm nearly bold too! Although your error message isn't exactly clear,
(can you pls be more specific/detailed) I had lots of write errors after
upgrading my 3590-B1As to -E1As and at the end I received a brand new
microcode for the 3590 drives and now everything works again.

Mauro, STM

> Hi everyone...
> I and my IBM CE have been pulling our hair out on this one for almost a
> week...
>
> Whenever my 3494lib w/ 2x 3590 B1A drives mounts a tape (to do a
> migration, for example), it shortly produces a WRITE error
(errorno=78),
> and marks the tape 'read-only'.  I'm running ADSM 3.1.2.40 on an H70
> running AIX 4.3.2 The atape, atldd, and 3590 microcode are to current
> levels.
>
> This problem started as intermittent on one drive, and now has
progressed
> to the point where I can't write anything to tape anymore on either
drive.
>
> We have tried replacing the 18m SCSI cables, re-routing the SCSI
cables,
> replacing both SCSI adapters, both terminators, and both 3590 card
packs,
> all with no change in results.
>
> IBM hardware support says it's a software problem, ADSM support says
it's
> a hardware problem... Anyone have any ideas?  I'm sweating big time
> because I'll run out of disk space upon which to do my backups soon
> if I can't move the data off to tape! :-(
>
> Thanks in advance!
>
>
> -
> Best regards,
> Brian
>
>
+-----------------------------------------------------------------------+
> | Brian T. Huntley                         Systems and Network Engineer
|
> | Campus Information Services, Clarkson University
|
> | Ph/FAX: 315.268-2292/6570
|
> | bth AT clarkson DOT edu                                 www.clarkson.edu/cis
|
>
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>  UNIX *is* user friendly. It's just selective about who its friends
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>         PGP Public Key available. finger bth AT clarkson DOT edu